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J. P. CLULEY.

CIRCULATOR.

APPLICATION FILED MAY 20. I918.

Patented July 15, 1919.

INVENTOR. k;7'

ATTORNEY Jazmfm;

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' plication filed May 28 1918. Serial No. 235,71

To all whom 2'25 may canoes n:

Be it known that 1, Joan P. CLULEY, a citizen of the United States, residing' at Chi cago, in the county of Cool; and State Ill1no1s, have invented a certain new and useful Improvement in Circulators, of which the following is a full, clear, concise, and exact description.

This invention relates to iinproi einer circulators and more particularly to devz or this cha'acter which are adapted gori- 1narily for use in connection with the cooling systems of automobile power plants.

As is Well known, the ordinary thermosiphon cooling system, such as extensively used in connection with automobiles at the present time, is not effective in maintaining the engine at a proper temperature under all conditions of service, owing particularly to the fact that the cooling medium circulates through the system very slowly and hence heats up rapidly, and further owing to the fact that all circulation in the system ceases upon a drop in the level of the cooling medium to a point below the radiator inlet. Broadly two classes of devices have been designed to overcome these defects by producing a forced circulation of the cooling medium, one class of said devices utilizing exhaust gases of the engine for this purpose, While the other class thereof makes use of a mechanical impelling device. The present invention relates to a device of the second class.

Heretoi'ore, these iinpelling devices of the second class, have been mounted at or near the bottom of the system either in the Water jacket inlet or in the connection Between said inlet and the radiator. l V hile circnlators so mounted operate efiectively to produce the desired circulation of the cooling medium during the period said medium remains at a high level, they fail to produce any circnlation thereof throug'i the radiator when the level of said medium drops slightly to a point below the mouth of the radiator inlet. This is due largely to the fact that the inipelling force of the liquid spent before it reaches said inlet and hence the necessary power to liftthe Water into the radiator is lacking. c

One object of the present invention, therefore, is to provide a circnlator or iinpell'ing device of the type described which shall be adapted for insertion in the cooling system at the top of the engine Water jacket in order Specification of Letters Patent.

oirculator on the cooling;

-. of said device will concentrme "x 30 A the inch 5 r inlet who shy the cooling 3.18%

o diuin will he forced 1.. the radiator l t variations in the level. of said niedin; "hioh would. otherwise cause the circulation thereof stop.

Another ohject of the inventioiiv mount the ci c-nlator in the wall Y ,e, is ed to replace elbow coupling" which connec jacl-Iet outlet \iltli radiator inlet i manner that said oi cnlator, n positioned, will extend slig l}; into said was.

A further object is to rovide a simulator. which may be readily and quickly applied to and removed from the ordinary upper radiator coupling flange of a he and one which is readily accessible pur poses of reoair, etc. M

uther objects and advantages W? L parent from the following description in connection. with the accompanying dr ings wherein the preferred enihodinieir g of} the invention is illustrated.

Figure 1 is a -iertical sectional I through an elbow coupling shoe onlator ll'lGlllllGf on the Wall ch 2 is as si "on Sllf vice applied to the ordinary cooling system.

41 1g. 0 LS a 1.1 on E18, ation ()L showing the circ'alator mounted 4 is a View similar to Fig. .o $1 the driven policy or" the circulates reversed on its shaft so that it may he driven from the fan belt. pulle mile-h a arrangement in the event the power p at 02 id inlet into the Vehicle is provided with a self-starter.

Referring more in dots" to the drai' w ingi l designates a ilai'iged' elbow coupling preferably of cast metal designed 1e place the ordinary elbow coupling provided in a thermosiphon system as a connection between the Water jacket outlet 2 and the radiator inlet 3. This casting" l is provided with a suitable jouinal beefing Within which is mounted a. bushing 5 preferably of brass, said bushing serving as the hear ing for the shaft 6 on one end of which is mounted an iinpelling element *3, While mounted on the other end thereof is a suit-- "able pulley S. The pulley 8 preferably removahly mounted on said shaft for the purpose hereinafter pointed out, the seam held rigid therewith by means of e suitz. in set screw 9. A stuffing box it) which may he of Zllly desired construction is provided at the outer end of the bushing; 5, sub stuntiully 1!.5 shown, said bushing being also provident with on ennularcollnr 11 designed to bear against the sleeve l in order to anchor said bushing against movement in one direction. A suitable collar 12 held rigid with the shaft 6 and designed to bear against the inner end of the bushing prevents the shaft from moving outwardly while the pulley 8 prevent-s said, shaft mov ing' in the other direction. A suitable grease cup is shown at; 13 and is preferably screwtlirended into the bearing .4, a suitable duct l4} being provided through which the grease from the cup l3 may be forced into contact with the shaft. 6 in order to provide the necessary lubrication thereto". Flt is pro terred to have the shaft 6 extend beyond the lower open end of the casting 1 so that, the impellingr element 7 may be readily applied thereto after the shaft. has been pcsi .oned and further in order that said element may be readily reached for purposes of repair.

"This arrangement else pern'ii'ts the impelling element mextendslightly into the water jacket outlet 2 when the devlce 18 mounted 1 in its operative position as shown in Fig. 2.

llieferring further to Fig. 2, it will be noted, that when the coupling 1 is placed in position, the shaft 6 of the circuletor on ls torvcindly therefrom preferably pen %l to the ten shaft 15 and in substanv close proximity thereto, the pulley 8 circuletor i i. instill sh ft 3.5 by means of a. suitable t 16. lit will he noted from this arrange- :i nt that the lifting power of the impelling nent 7 is concentrated at at point inelose proxinriity to the redintor inlet 3 and that nccordingly the cocln'ip; medium of the sys' item will be raised or forced into the radiotor 17 even though the level of said cooling niedium falls to a point slightly below the upper end of said inlet. This continued cirotion oi the cooling medium alter the onmel thereof has to. len slightly is not eftented by the use oi e circuh-it/cr st or near the bottom of the system, as previously pointed. out.

As is well known, the applicsiti-on of an Y electric stwiter to on automobile engine of type herein referred to necessitates a itnovenient of the fan belt 18 forward of its normal position ,to a position substantially as shown inylFlg. 4,. This renders the pulley it), over which the belt 18 originally passe useless es fer-no the operation of the fan is concerned. Fuithermore, when a. power 'snt is encountered which is rovided with e sell storterllie Ian belt, 18 13 directly be- 51 ad pted to be driven health the pone-y 8 of the circi'ilator when said pulley is in the position shown in Fig.

2. For obvious reasons, therefore, it would be dillicnltto derive power from the fun shaft 15 for the purpose of driving the circulntor when an arrangement of this churoctor is encountered. To overcome this disadvantage, the pulley 8 on the cireulzitor shaft. 6 may be removed, as above set out and again applied thereto in its reversed position. substantially as shown in Fig. 4, inwhich position it will be noted that said belt will be in substantial nlincment with the otherwise useless fan pulley 19 "from which said pulley 8 may be'driven. The elongated hub 20, which is provided on one side only of the pulley 8 renders the reversal of said pulley effective in positioning the some in one or the other of its plurality of positions. The set screw 9, as above set out, may be used in making the pulley fast with the shaft 6. i

It is not intended to restrict the present invention to the detailed construction or combination ports herein illustrated and described except where limitations appeal-1* in. the appended claims.

Having thus described my invention, What I claim as new and desire to secure by Letters Patent of the United is l. The combination with the fan shaftnnd cooling system of on. internal combustion englue, sold cooling system comprising a. Water jacket, rzid ietm' and connections therebetween, of a shaft journnled in the wall of the ner end of said slmft, a pulley on the opposite end thereof, a belt for driving said pulley from said fen shaft, and means whereby n. reversal of said pulley on its sluitt shifts the driving engagement of said beltwith the fan shaft.

2. As a new article of nmnu'facture, a coupling to be substituted between the water jacket and radiator reservoir of {L Ford car comprising an elbow having its inlet end arranged horizontally and provided with vertical llunges to be secured to the vertical flanges it the Will'fil" jacket outlet, a, proeller shaft/arranged horizontally and passing through the wall of said coupling vith its axis of'rctstion coinciding with the cen- JOE-NP. owner. 

